ATE49588T1 - METHACRYLIC ACID PURIFICATION METHOD. - Google Patents

METHACRYLIC ACID PURIFICATION METHOD.

Info

Publication number
ATE49588T1
ATE49588T1 AT85307233T AT85307233T ATE49588T1 AT E49588 T1 ATE49588 T1 AT E49588T1 AT 85307233 T AT85307233 T AT 85307233T AT 85307233 T AT85307233 T AT 85307233T AT E49588 T1 ATE49588 T1 AT E49588T1
Authority
AT
Austria
Prior art keywords
methacrylic acid
purification method
acid purification
distillation
beta
Prior art date
Application number
AT85307233T
Other languages
German (de)
Inventor
Lawrence D Lillwitz
Original Assignee
Amoco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amoco Corp filed Critical Amoco Corp
Application granted granted Critical
Publication of ATE49588T1 publication Critical patent/ATE49588T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/50—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerisation Methods In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A method for inhibiting the polymerization of an alpha-, beta-ethylenically unsaturated monocarboxylic acid during its recovery by distillation is disclosed.
AT85307233T 1984-10-10 1985-10-09 METHACRYLIC ACID PURIFICATION METHOD. ATE49588T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65956884A 1984-10-10 1984-10-10
EP85307233A EP0178168B1 (en) 1984-10-10 1985-10-09 Process for purification of methacrylic acid

Publications (1)

Publication Number Publication Date
ATE49588T1 true ATE49588T1 (en) 1990-02-15

Family

ID=24645887

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85307233T ATE49588T1 (en) 1984-10-10 1985-10-09 METHACRYLIC ACID PURIFICATION METHOD.

Country Status (4)

Country Link
EP (1) EP0178168B1 (en)
JP (1) JPS61126050A (en)
AT (1) ATE49588T1 (en)
DE (1) DE3575418D1 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641014A1 (en) * 1986-12-19 1988-06-16 Wolfen Filmfab Veb PHOTOPOLYMERIZABLE MATERIAL
DE3837955A1 (en) * 1987-11-13 1989-05-24 Basf Ag Continuous distillation process for producing, for example, hydroquinone-stabilised acrylic acid
US5258138A (en) * 1990-07-20 1993-11-02 Ciba-Geigy Corporation Process for stabilizing ethylenically unsaturated compounds and stabilized monomer compositions
US5290888A (en) * 1990-07-20 1994-03-01 Ciba-Geigy Corporation Process for stabilizing ethylenically unsaturated compounds and stabilized monomer compositions
US5322960A (en) * 1993-04-15 1994-06-21 Nippon Shokubai Co., Ltd. Method for inhibiting polymerization of (meth) acrylic acid and esters thereof
TW294658B (en) * 1994-06-02 1997-01-01 Nippon Catalytic Chem Ind
US5728872A (en) * 1994-06-27 1998-03-17 Lutz Riemenschneider Stabilized acrylic acid compositions
US5616753A (en) * 1995-03-20 1997-04-01 Osi Specialties, Inc. Stabilizers for unsaturated, polymerizable organosilicon compounds
US5616638A (en) * 1995-03-20 1997-04-01 Rohm And Haas Company Cured composite and process therefor
EP0791573A1 (en) * 1996-02-21 1997-08-27 Nalco/Exxon Chemicals Company L.P. Nitroxides as antipolymerants for vinyl acetate units
DE19622441A1 (en) * 1996-06-05 1997-12-11 Basf Ag Process for compressing ethylenically unsaturated monomers
US5932735A (en) * 1997-06-13 1999-08-03 Ciba Specialty Chemicals Corporation Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers
DE19725519A1 (en) * 1997-06-17 1998-12-24 Basf Ag Mixture of substances containing compounds containing vinyl groups and stabilizers
KR20010106405A (en) 1998-07-14 2001-11-29 시바 스폐셜티 케미칼스 홀딩 인코포레이티드 Derivatives of 1-Oxyl-4-Hydroxy- Or 4-Amino-2,2,6,6-Tetramethylpiperidine As Polymerization Inhibitors For (Meth)Acrylate Monomers
US6300533B1 (en) 1999-08-16 2001-10-09 Uniroyal Chemical Company, Inc. Inhibition of polymerization of ethylenically unsaturated monomers
DE19947868A1 (en) * 1999-10-05 2001-04-12 Basf Ag Process of chemical and / or physical treatment of mixtures which contain at least one chemical compound with at least one ethylenically unsaturated group
AR029410A1 (en) 1999-12-02 2003-06-25 Crompton Corp METHOD FOR INHIBITING PREMATURE POLYMERIZATION OF ETHENICALLY INSATURED MONOMERS AND COMPOSITIONS OF THE SAME
MXPA02005423A (en) 1999-12-02 2002-11-29 Crompton Corp Inhibition of polymerization of unsaturated monomers.
ES2292487T3 (en) 1999-12-03 2008-03-16 Chemtura Corporation COMPOSITION AND METHOD TO INHIBIT POLYMERIZATION AND POLYMER GROWTH.
US6403850B1 (en) 2000-01-18 2002-06-11 Uniroyal Chemical Company, Inc. Inhibition of polymerization of unsaturated monomers
US6344560B1 (en) 2000-05-03 2002-02-05 Uniroyal Chemical Company, Inc. Nitroaromatic solubilizer for nitroxyls in aromatic solvents
BR0112911A (en) * 2000-08-02 2003-08-26 Uniroyal Chem Co Inc Stream Recycling
US6685823B2 (en) 2000-10-16 2004-02-03 Uniroyal Chemical Company, Inc. C-nitrosoaniline compounds and their blends as polymerization inhibitors
KR100812038B1 (en) 2000-10-16 2008-03-10 유니로얄 캐미칼 캄파니, 인크. Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors
JP4687843B2 (en) * 2000-12-12 2011-05-25 三菱瓦斯化学株式会社 Method for purifying methacrylic acid
US6504056B2 (en) 2001-05-01 2003-01-07 Basf Aktiengesellschaft Transport and/or storage of acrylic acid
JP4556491B2 (en) * 2004-05-26 2010-10-06 三菱化学株式会社 Polymerization inhibitor, composition containing the same, and method for producing easily polymerizable compound using the polymerization inhibitor
US7553896B2 (en) 2005-06-17 2009-06-30 Chemtura Corporation Ortho-nitrosophenols as polymerization inhibitors
CN102295284B (en) 2010-06-28 2013-05-15 通用电气公司 Method for converting carbon into oxides of carbon as well as method and device for hydrocarbon cracking
WO2022230916A1 (en) * 2021-04-28 2022-11-03 三菱ケミカル株式会社 Methyl-methacrylate-containing composition and method for producing methyl methacrylate polymer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127127A (en) * 1966-04-26 1968-09-11 Bp Chem Int Ltd Stabilization of acrylic acid
JPS506449B1 (en) * 1969-06-24 1975-03-14
JPS5010281B1 (en) * 1970-03-20 1975-04-19
GB1346774A (en) * 1970-10-05 1974-02-13 Bp Chem Int Ltd Stabilisation of acrylonitrile
SU1310384A1 (en) * 1976-02-20 1987-05-15 Институт Химической Физики Ан Ссср Method for producing methacrylic acid

Also Published As

Publication number Publication date
DE3575418D1 (en) 1990-02-22
EP0178168A2 (en) 1986-04-16
JPS61126050A (en) 1986-06-13
EP0178168B1 (en) 1990-01-17
EP0178168A3 (en) 1987-06-03

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